Home / 17,161.38-25,727.31-6,780.42

Finding the Fourth Proportional to 17,161.38, 25,727.31 and 6,780.42

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Solution

The fourth proportional to 17,161.38, 25,727.31 and 6,780.42 is: 10,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.38 : 25,727.31 = 6,780.42 : x
  2. Step 2: Convert to fraction form
    17,161.38/25,727.31 = 6,780.42/x
  3. Step 3: Cross multiply
    17,161.38x = 25,727.31 × 6,780.42
  4. Step 4: Simplify right side
    17,161.38x = 174,441,967.27
  5. Step 5: Solve for x
    x = 174,441,967.27/17,161.38
  6. Step 6: Final answer
    x = 10,164.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.